find python using which -a

mks-m · mks-m · commit 027220f17607 · 2016-02-13T11:11:15.000+01:00
diff --git a/Makefile b/Makefile
@@ -2,7 +2,7 @@ all: help
 
 EXTERNALS=externals
 
-PYTHON ?= python2
+PYTHON ?= `env which -a python2 python2.7 | head -n1`
 PYTHONPATH=$$PYTHONPATH:$(EXTERNALS)/pypy
 
 
